POST /ott/v1/send - Send Triggered Messages Via the Chat Messaging API

Question

I am trying to follow the below instuction to send the FACEBOOK MESSENGER messages using CHAT API. I am NOT getting the syntax of JSON request.

Send Triggered Messages Via the Chat Messaging API https://developer.salesforce.com/docs/atlas.en-us.mc-apis.meta/mc-apis/routes.htm?search_text=ott

Note: I was able to register my Facebook page SUCCESSFULLY as per "https://developer.salesforce.com/docs/atlas.en-us.noversion.mc-apis.meta/mc-apis/routes.htm#!"

I did some R & D but, did NOT found any resource on the end point POST /ott/v1/send

Answer 1

It seems like it's within that document you linked if you click on "more details" under JSON parameters.

Reference

It provides an example of what the message would like for different situations and the different types of error responses you might receive. I copied below from the reference:

Host: https://YOUR_SUBDOMAIN.rest.marketingcloudapis.com
POST /ott/v1/send
Content-Type: application/json
Authorization: Bearer YOUR_ACCESS_TOKEN

{
    "messageKey": "e1c35141-6e5c-4bc2-813b-60f969e52b0d",
    "messageGroupKey": "CanBeAGUIDorAny100UnicodeCharString",
    "from": {
        "senderType": "messenger",
        "senderId": "503868699681937"
    },
    "to": {
        "ottId": "FBfacdb735074f7c492c0bf190fa99020",
        "userReference": "1938cd4d34cc4db0b109756b8a9b14ff"
    },
    "message": {
        "subject": "Message Name",
        "contents": [{
                "type": "text",
                "text": "thanks for purchase"
        }],
        "customKeys": [{
            "messagingType": "RESPONSE"
        }]
    },
    "validityPeriod": 30
}